org.apache.oro.util
Class GenericCache
public abstract
class
GenericCache
extends Object
implements Cache, Serializable
This is the base class for all cache implementations provided in the
org.apache.oro.util package. To derive a subclass from GenericCache
only the ... methods
need be overridden.
Although 4 subclasses of GenericCache are provided with this
package, users may not derive subclasses from this class.
Rather, users should create their own implmentations of the
Cache interface.
Since: 1.0
Version: 2.0.8
See Also: Cache CacheLRU CacheFIFO CacheFIFO2 CacheRandom
Method Summary |
abstract void | addElement(Object key, Object value) |
int | capacity()
Returns the maximum number of elements that can be cached at one time.
|
Object | getElement(Object key) |
boolean | isFull() |
Iterator | keys() |
int | size()
Returns the number of elements in the cache, not to be confused with
the capacity which returns the number
of elements that can be held in the cache at one time.
|
public static final int DEFAULT_CAPACITY
The default capacity to be used by the GenericCache subclasses
provided with this package. Its value is 20.
public abstract void addElement(Object key, Object value)
public final int capacity()
Returns the maximum number of elements that can be cached at one time.
Returns: The maximum number of elements that can be cached at one time.
public Object getElement(Object key)
public final boolean isFull()
public final Iterator keys()
public final int size()
Returns the number of elements in the cache, not to be confused with
the
capacity which returns the number
of elements that can be held in the cache at one time.
Returns: The current size of the cache (i.e., the number of elements
currently cached).
Copyright B) 2000-2003 Apache Software Foundation. All Rights Reserved.